US4417386A - Method for mounting a semiconductor device in a housing - Google Patents
Method for mounting a semiconductor device in a housing Download PDFInfo
- Publication number
- US4417386A US4417386A US06/218,498 US21849880A US4417386A US 4417386 A US4417386 A US 4417386A US 21849880 A US21849880 A US 21849880A US 4417386 A US4417386 A US 4417386A
- Authority
- US
- United States
- Prior art keywords
- adhesive
- housing
- layer
- semiconductor body
- semiconductor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000853 adhesive Substances 0.000 claims abstract description 36
- 230000001070 adhesive effect Effects 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000001465 metallisation Methods 0.000 claims abstract description 17
- 229910052709 silver Inorganic materials 0.000 claims description 23
- 239000004332 silver Substances 0.000 claims description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 16
- 229910052804 chromium Inorganic materials 0.000 claims description 16
- 239000011651 chromium Substances 0.000 claims description 16
- 238000007740 vapor deposition Methods 0.000 claims description 13
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 238000004544 sputter deposition Methods 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000013464 silicone adhesive Substances 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 2
- 239000002923 metal particle Substances 0.000 abstract description 9
- 238000005275 alloying Methods 0.000 description 6
- 238000005476 soldering Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/52—Mounting semiconductor bodies in containers
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/482—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body
- H01L23/4827—Materials
- H01L23/4828—Conductive organic material or pastes, e.g. conductive adhesives, inks
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- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/291—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29101—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of less than 400°C
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29199—Material of the matrix
- H01L2224/2929—Material of the matrix with a principal constituent of the material being a polymer, e.g. polyester, phenolic based polymer, epoxy
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29298—Fillers
- H01L2224/29299—Base material
- H01L2224/293—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29338—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/29339—Silver [Ag] as principal constituent
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- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/8319—Arrangement of the layer connectors prior to mounting
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- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/838—Bonding techniques
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- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00013—Fully indexed content
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- H01L2924/06—Polymers
- H01L2924/078—Adhesive characteristics other than chemical
- H01L2924/0781—Adhesive characteristics other than chemical being an ohmic electrical conductor
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- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
Definitions
- a method of mounting a semiconductor device in a housing which comprises first providing a metallization on a part of the surface of the semiconductor body of the semiconductor device to be connected to the housing, subsequently permanently connecting the semiconductor body to a part of the housing being in the form of a substrate with an organic adhesive to which metal particles have been added, and connecting electrodes of the semiconductor device to terminals disposed in the housing.
- the substrate is in the form of a heat-conducting material
- the metal particles added to the adhesive are silver
- the adhesive is hardenable by heat treatment.
- the single FIGURE is a cross section of a semiconductor mounted in a housing in accordance with the method of this invention.
- the plate-shaped semiconductor body of the semiconductor device 4 which is formed particularly of monocrystalline silicon and is to be mounted, is taken down on the rear or lower side thereof which is to be connected to the substrate 1. This is done by grinding so far that a total thickness of about 180 ⁇ m remains.
- a silver layer 6 being approximately 1 ⁇ m thick is vapor-deposited on the chromium layer 5. It should be noted here that sufficiently good results are still obtained even with thinner silver layers, for instance with an Ag layer 6 being 0.5 ⁇ m thick. Because of constraints of size, the relative thicknesses of the layers in the drawing are not to scale.
- the silver layer may be used as a metallization on the body without requiring the chromium layer.
- the vapor deposition rates, and thereby the roughness of the finally obtained surface of the metallization must be matched to the size of the metal particles 7 provided in the adhesive 8 in such a manner that good area 1 contact is ensured between the surface of the silver metallization on the back of the chip and the metal particles provided in the adhesive. It is accordingly advantageous to use an adhesive to which metal particles that are as uniform as possible have been added. These are especially cylindrical or spherical conductive silver particles, the particle size being matched to the surface roughness of the silver layer 6.
- the metal content of the adhesive may be equal to or more than 50 volume percent.
- the chromium layer 5 serves as an adhesion substrate for the silver layer 6.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Die Bonding (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3001613 | 1980-01-17 | ||
DE3001613A DE3001613C2 (de) | 1980-01-17 | 1980-01-17 | Befestigung eines, eine monolithisch integrierte Halbleiterschaltung enthaltenden Halbleiterkörpers aus Silicium an einer Unterlage mit einem entsprechenden Verfahren hierzu |
Publications (1)
Publication Number | Publication Date |
---|---|
US4417386A true US4417386A (en) | 1983-11-29 |
Family
ID=6092314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/218,498 Expired - Fee Related US4417386A (en) | 1980-01-17 | 1980-12-22 | Method for mounting a semiconductor device in a housing |
Country Status (4)
Country | Link |
---|---|
US (1) | US4417386A (fr) |
EP (1) | EP0032728B1 (fr) |
JP (1) | JPS56105643A (fr) |
DE (1) | DE3001613C2 (fr) |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4535350A (en) * | 1981-10-29 | 1985-08-13 | National Semiconductor Corporation | Low-cost semiconductor device package and process |
US4884649A (en) * | 1986-09-18 | 1989-12-05 | Mitsubishi Denki Kabushiki Kaisha | Cruise control apparatus |
US5103283A (en) * | 1989-01-17 | 1992-04-07 | Hite Larry R | Packaged integrated circuit with in-cavity decoupling capacitors |
US5569956A (en) * | 1995-08-31 | 1996-10-29 | National Semiconductor Corporation | Interposer connecting leadframe and integrated circuit |
US6452260B1 (en) | 1997-09-02 | 2002-09-17 | Silicon Light Machines | Electrical interface to integrated circuit device having high density I/O count |
US20040008399A1 (en) * | 2001-06-25 | 2004-01-15 | Trisnadi Jahja I. | Method, apparatus, and diffuser for reducing laser speckle |
US6707591B2 (en) | 2001-04-10 | 2004-03-16 | Silicon Light Machines | Angled illumination for a single order light modulator based projection system |
US6712480B1 (en) | 2002-09-27 | 2004-03-30 | Silicon Light Machines | Controlled curvature of stressed micro-structures |
US6714337B1 (en) | 2002-06-28 | 2004-03-30 | Silicon Light Machines | Method and device for modulating a light beam and having an improved gamma response |
US6728023B1 (en) | 2002-05-28 | 2004-04-27 | Silicon Light Machines | Optical device arrays with optimized image resolution |
US6764875B2 (en) | 1998-07-29 | 2004-07-20 | Silicon Light Machines | Method of and apparatus for sealing an hermetic lid to a semiconductor die |
US6767751B2 (en) | 2002-05-28 | 2004-07-27 | Silicon Light Machines, Inc. | Integrated driver process flow |
US6782205B2 (en) | 2001-06-25 | 2004-08-24 | Silicon Light Machines | Method and apparatus for dynamic equalization in wavelength division multiplexing |
US6801354B1 (en) | 2002-08-20 | 2004-10-05 | Silicon Light Machines, Inc. | 2-D diffraction grating for substantially eliminating polarization dependent losses |
US6800238B1 (en) | 2002-01-15 | 2004-10-05 | Silicon Light Machines, Inc. | Method for domain patterning in low coercive field ferroelectrics |
US6806997B1 (en) | 2003-02-28 | 2004-10-19 | Silicon Light Machines, Inc. | Patterned diffractive light modulator ribbon for PDL reduction |
US6813059B2 (en) | 2002-06-28 | 2004-11-02 | Silicon Light Machines, Inc. | Reduced formation of asperities in contact micro-structures |
US6822797B1 (en) | 2002-05-31 | 2004-11-23 | Silicon Light Machines, Inc. | Light modulator structure for producing high-contrast operation using zero-order light |
US6829092B2 (en) | 2001-08-15 | 2004-12-07 | Silicon Light Machines, Inc. | Blazed grating light valve |
US6829077B1 (en) | 2003-02-28 | 2004-12-07 | Silicon Light Machines, Inc. | Diffractive light modulator with dynamically rotatable diffraction plane |
US6829258B1 (en) | 2002-06-26 | 2004-12-07 | Silicon Light Machines, Inc. | Rapidly tunable external cavity laser |
US6956878B1 (en) | 2000-02-07 | 2005-10-18 | Silicon Light Machines Corporation | Method and apparatus for reducing laser speckle using polarization averaging |
US6987600B1 (en) | 2002-12-17 | 2006-01-17 | Silicon Light Machines Corporation | Arbitrary phase profile for better equalization in dynamic gain equalizer |
US20090302429A1 (en) * | 2006-05-19 | 2009-12-10 | Osram Opto Semiconductors Gmbh | Electrically Conducting Connection with Insulating Connection Medium |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4454529A (en) * | 1981-01-12 | 1984-06-12 | Avx Corporation | Integrated circuit device having internal dampening for a plurality of power supplies |
CA1222071A (fr) * | 1984-01-30 | 1987-05-19 | Joseph A. Aurichio | Ruban conducteur avec adhesif de retention pour pouces d'electronique |
US5049434A (en) * | 1984-04-30 | 1991-09-17 | National Starch And Chemical Investment Holding Corporation | Pre-patterned device substrate device-attach adhesive transfer system |
DE3444699A1 (de) * | 1984-12-07 | 1986-06-19 | Telefunken electronic GmbH, 7100 Heilbronn | Elektrisches leistungsbauteil |
EP0264635B1 (fr) * | 1986-09-25 | 1991-08-21 | Siemens Aktiengesellschaft | Adhésif conducteur de l'électricité pour grand intervalle de température |
JPS63278236A (ja) * | 1987-02-18 | 1988-11-15 | Mitsubishi Electric Corp | 半導体装置 |
DE4132947C2 (de) * | 1991-10-04 | 1998-11-26 | Export Contor Ausenhandelsgese | Elektronische Schaltungsanordnung |
DE59812923D1 (de) | 1997-07-23 | 2005-08-18 | Infineon Technologies Ag | Vorrichtung und verfahren zur herstellung einer chip-substrat-verbindung |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2809332A (en) * | 1953-07-29 | 1957-10-08 | Rca Corp | Power semiconductor devices |
US3617821A (en) * | 1970-09-17 | 1971-11-02 | Rca Corp | High-voltage transistor structure having uniform thermal characteristics |
US3770565A (en) * | 1972-01-05 | 1973-11-06 | Us Navy | Plastic mounting of epitaxially grown iv-vi compound semiconducting films |
US3794517A (en) * | 1965-12-15 | 1974-02-26 | Philips Corp | Electric circuit elements and methods of manufacturing such elements |
US3828227A (en) * | 1973-04-09 | 1974-08-06 | Sprague Electric Co | Solid tantalum capacitor with end cap terminals |
US4127424A (en) * | 1976-12-06 | 1978-11-28 | Ses, Incorporated | Photovoltaic cell array |
US4293587A (en) * | 1978-11-09 | 1981-10-06 | Zilog, Inc. | Low resistance backside preparation for semiconductor integrated circuit chips |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE510386A (fr) * | 1951-04-05 | 1900-01-01 | ||
US2856681A (en) * | 1955-08-08 | 1958-10-21 | Texas Instruments Inc | Method of fixing leads to silicon and article resulting therefrom |
DE1514668B2 (de) * | 1966-01-19 | 1977-05-12 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von chrom- silber-kontakten auf halbleiterbauelementen |
US3942244A (en) * | 1967-11-24 | 1976-03-09 | Semikron Gesellschaft Fur Gleichrichterbau Und Elektronik M.B.H. | Semiconductor element |
JPS4940673A (fr) * | 1972-08-22 | 1974-04-16 | ||
US3896544A (en) * | 1973-01-15 | 1975-07-29 | Essex International Inc | Method of making resilient electrical contact assembly for semiconductor devices |
JPS5158868A (ja) * | 1974-11-20 | 1976-05-22 | Hitachi Ltd | Handotaisochi |
DE2619433A1 (de) * | 1976-05-03 | 1977-11-10 | Siemens Ag | Elektrisches bauelement |
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1980
- 1980-01-17 DE DE3001613A patent/DE3001613C2/de not_active Expired
- 1980-12-22 US US06/218,498 patent/US4417386A/en not_active Expired - Fee Related
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1981
- 1981-01-15 EP EP81100276A patent/EP0032728B1/fr not_active Expired
- 1981-01-16 JP JP583881A patent/JPS56105643A/ja active Pending
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Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
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US4535350A (en) * | 1981-10-29 | 1985-08-13 | National Semiconductor Corporation | Low-cost semiconductor device package and process |
US4884649A (en) * | 1986-09-18 | 1989-12-05 | Mitsubishi Denki Kabushiki Kaisha | Cruise control apparatus |
US5103283A (en) * | 1989-01-17 | 1992-04-07 | Hite Larry R | Packaged integrated circuit with in-cavity decoupling capacitors |
US5569956A (en) * | 1995-08-31 | 1996-10-29 | National Semiconductor Corporation | Interposer connecting leadframe and integrated circuit |
US6452260B1 (en) | 1997-09-02 | 2002-09-17 | Silicon Light Machines | Electrical interface to integrated circuit device having high density I/O count |
US6764875B2 (en) | 1998-07-29 | 2004-07-20 | Silicon Light Machines | Method of and apparatus for sealing an hermetic lid to a semiconductor die |
US6956878B1 (en) | 2000-02-07 | 2005-10-18 | Silicon Light Machines Corporation | Method and apparatus for reducing laser speckle using polarization averaging |
US6707591B2 (en) | 2001-04-10 | 2004-03-16 | Silicon Light Machines | Angled illumination for a single order light modulator based projection system |
US6747781B2 (en) | 2001-06-25 | 2004-06-08 | Silicon Light Machines, Inc. | Method, apparatus, and diffuser for reducing laser speckle |
US6782205B2 (en) | 2001-06-25 | 2004-08-24 | Silicon Light Machines | Method and apparatus for dynamic equalization in wavelength division multiplexing |
US20040008399A1 (en) * | 2001-06-25 | 2004-01-15 | Trisnadi Jahja I. | Method, apparatus, and diffuser for reducing laser speckle |
US6829092B2 (en) | 2001-08-15 | 2004-12-07 | Silicon Light Machines, Inc. | Blazed grating light valve |
US6800238B1 (en) | 2002-01-15 | 2004-10-05 | Silicon Light Machines, Inc. | Method for domain patterning in low coercive field ferroelectrics |
US6767751B2 (en) | 2002-05-28 | 2004-07-27 | Silicon Light Machines, Inc. | Integrated driver process flow |
US6728023B1 (en) | 2002-05-28 | 2004-04-27 | Silicon Light Machines | Optical device arrays with optimized image resolution |
US6822797B1 (en) | 2002-05-31 | 2004-11-23 | Silicon Light Machines, Inc. | Light modulator structure for producing high-contrast operation using zero-order light |
US6829258B1 (en) | 2002-06-26 | 2004-12-07 | Silicon Light Machines, Inc. | Rapidly tunable external cavity laser |
US6813059B2 (en) | 2002-06-28 | 2004-11-02 | Silicon Light Machines, Inc. | Reduced formation of asperities in contact micro-structures |
US6714337B1 (en) | 2002-06-28 | 2004-03-30 | Silicon Light Machines | Method and device for modulating a light beam and having an improved gamma response |
US6801354B1 (en) | 2002-08-20 | 2004-10-05 | Silicon Light Machines, Inc. | 2-D diffraction grating for substantially eliminating polarization dependent losses |
US6712480B1 (en) | 2002-09-27 | 2004-03-30 | Silicon Light Machines | Controlled curvature of stressed micro-structures |
US6987600B1 (en) | 2002-12-17 | 2006-01-17 | Silicon Light Machines Corporation | Arbitrary phase profile for better equalization in dynamic gain equalizer |
US6806997B1 (en) | 2003-02-28 | 2004-10-19 | Silicon Light Machines, Inc. | Patterned diffractive light modulator ribbon for PDL reduction |
US6829077B1 (en) | 2003-02-28 | 2004-12-07 | Silicon Light Machines, Inc. | Diffractive light modulator with dynamically rotatable diffraction plane |
US20090302429A1 (en) * | 2006-05-19 | 2009-12-10 | Osram Opto Semiconductors Gmbh | Electrically Conducting Connection with Insulating Connection Medium |
US8102060B2 (en) * | 2006-05-19 | 2012-01-24 | Osram Opto Semiconductors Gmbh | Electrically conducting connection with insulating connection medium |
Also Published As
Publication number | Publication date |
---|---|
EP0032728B1 (fr) | 1984-05-23 |
JPS56105643A (en) | 1981-08-22 |
DE3001613C2 (de) | 1986-04-03 |
EP0032728A3 (en) | 1981-08-12 |
EP0032728A2 (fr) | 1981-07-29 |
DE3001613A1 (de) | 1981-07-23 |
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